Certified for APC, Total Coliform, Coliform/E.coli, S.aureus, Enterobacteriaceae, and Yeast and Mold by re-hydratable film and BAM methods (20,000 CFU as APC).

A 100 gram sample supplied ready to use. Designed for use with EPA Methods 9020B, 9065, 9066 and 9067. Contains Total Phenolics and TOX in the range of 0.5-100 mg/kg.

Supplied as a 50 gram matrix blank and a 5 mL spiking solution for determination of Reactive Cyanide.

Pure bacterial culture in an easy to use swab stick. Simple snap valve design releases hydration fluid with a simple press of the plastic valve stem. Cultures are supplied in flash dissolve format, dissolving without agitation or incubation in less tha

A 21 mL concentrate for determination of TOC, COD, BOD, and C-BOD. Each ampule produces 2 liters of sample. (Supplied in duplicate)

Microbiological CRMs designed Petrifilm® methods.

A 100 mL whole volume sample for determination of Color. Formulated in the range of 1 - 25 CU. (Supplied in duplicate)

A pure culture of C. perfringens conveniently supplied in duplicate for quantitative determination of C. perfringens.

A pure culture of A. flavus, NRRL 1957, packaged in an easy to use inoculating swab stick. Simple snap valve design releases hydration fluid with a press of the plastic stem valve.  Culture pellet  supplied in Microgel-Flash quick dissolve matrix, diss

A 500 mL whole volume for determination of Alkalinity, Chloride, Sulfate, TDS, Conductivity, Fluoride, Nitrate as N, Potassium, Nitrate/Nitrite-N(Supplied in duplicate) 

A 1.5 mL concentrate in P/T Methanol for determination of 1,2-Dibromoethane (EDB), 1,2-Dibromo-3-chloropropane (DBCP) and 1,2,3-Trichloropropane. Formulated in the NELAC range of 0.2 - 2.0 ug/L. (Supplied in duplicate)

A 1.5 mL concentrate in Acetone for use with Methods 506/525/550. (Supplied in duplicate)

A 1.5 mL concentrate in Acetone for determination of Toxaphene. Formulated in the NELAC range of 20 - 100 ug/L. (Supplied in duplicate)

One stabilized Microgel-Flash™ pellet in the range of 20-200 CFU per 100 mL designed for LT2 Enhanced Surface Water Treatment Rule. Evaluated for E.coli, Fecal Coliform and Total Coliform. Applicable for all SDWA quantitative methods. Sterile hydration

A 1.5 mL concentrate in Acetonitrile for determination of Chloral Hydrate. Formulated in the range of 4.00 - 30.0 ug/L. (Supplied in duplicate)

Pure bacterial culture in an easy to use swab stick. Simple snap valve design releases hydration fluid with a simple press of the plastic valve stem. Cultures are supplied in flash dissolve format, dissolving without agitation or incubation in less tha

Supplied as a 2 mL ampule concentrate and a 15 gram matrix blank. To use, spike the concentrate onto the matrix blank prior to analysis. Designed for use by EPA Methods 8021 or 8260. Each study contains at least 60% of the NELAC analytes plus a subset

A 40 gram soil sample for determination of Corrosivity/pH in the range of 2-12 su.

Chlorine snips are the most convenient reference material for residual chlorine analysis. They require no pipets and no glassware other than the instrument cuvette to prepare.

A 30 gram sample supplied ready to use. Designed for use by EPA Method 8270. Each study contains at least 60% of the NELAC analytes plus a subset of the other analytes. Supplied in duplicate.

Dry, whole milk powder certified for moisture, ash, total protein, total fat, total dietary fiber, total carbohydrate, magnsium, sodium, calcium, potassium, iron and salt (as chloride).

A 30 gram sample supplied ready to use. All are formulated in the range of 100-1000 ug/kg. Supplied in duplicate.

A blended cocktail containing E. coli O157:H7 (WDCM00014), L. monocytogenes (WDCM 00109) and S. enterica (NCTC 6676) at approximately 1000cfu each in a single flash dissolve pellet.  Designed for use with all approve methods including BAX Real-Time PCR

A 21 mL concentrate for dilution to 1 liter for determination of Silica. Formulated in the NELAC range of 5.0 - 75 mg/L. Each vial produces 2 liters of sample. (Supplied in duplicate)

For quantitative determination of Pseudomonas by standardized cultural methods. Bacteria provided in the range of 100-250,000 CFU per lyophilized pellet.  Sample pellet is a pure culture of P. aeruginosa which has been lyophilized and then vacuum seale

A three sample set for qualitative identification of Listeria spp. Set contains non-pathogenic Listeria strain and non-pathogenic, non-listeria organisms. Report present or absent for Listeria spp. for each sample in the set. Three different series ava

A 110 mL sample for Ignitability in the NELAC range of 100-200°F. Ground Shipping Only

A 500 mL ready-to-use whole volume sample to be analyzed for Total Suspended Solids in the NELAC range of 20-100 mg/L and Total Solids formulated in the NELAC range of 140-800 mg/L. (Supplied in duplicate)

Supplied as a 100 gram blank soil and a 21 mL spiking solution. Each sample contains a subset of each analyte class at concentrations exceeding regulatory levels.

A 1.5 mL concentrate in Methanol for use with Method 531.1. (Supplied in duplicate)

Manufactured from USP specified pure organism strains using media and procedures conforming to USP specifications. Each organism strain is supplied in a kit of 10 individual samples and 10 vials of sterile hydration fluid.

Single organism microbiological CRMs for E.aerogenes formulated at 1000-2000 CFU.